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RE: UPS batteries
- To: <ukha_d@xxxxxxx>
- Subject: RE: UPS batteries
- From: "James Hoye" <james.hoye@xxxxxxx>
- Date: Tue, 15 May 2001 22:06:33 +0100
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> I took the thing apart and really didn't fancy the idea of changing
the
> batteries myself. It's clearly not intended to be a user
> serviceable device
> and there's mains voltage in there somewhere. However I did mail
> them about
> their 'Trade-UPS' deal and they offered me a very good discount (about
50%
> IIRC) on a new similar spec model.
It wasn't too bad to get them out. There's a wacking great transformer in
them which must be 40% of the weight (the batteries being about 50%).
> Prompts me to another question/train of thought:-
> Alarm panel batteries are 12v?
> PC's run on 12v?
> UPS run on 12v batteries but step up the voltage and the PC
> transforms it
> down?
> (anybody see where I'm going yet?)
> 12v rechargeable battery on 12v side of PC transformer?
>
> feasible or not ....
Don't forget that computer PSUs also provide +5v, and possibly +3v...
I suppose the idea of a UPS is that it can power anything - monitor,
computer, hub, router....
James
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